9381828 has 12 divisors (see below), whose sum is σ = 21890960. Its totient is φ = 3127272.

The previous prime is 9381821. The next prime is 9381859. The reversal of 9381828 is 8281839.

9381828 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (9381821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 390898 + ... + 390921.

Almost surely, 2^9381828 is an apocalyptic number.

It is an amenable number.

9381828 is an abundant number, since it is smaller than the sum of its proper divisors (12509132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9381828 is a wasteful number, since it uses less digits than its factorization.

9381828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781826 (or 781824 counting only the distinct ones).

The product of its digits is 27648, while the sum is 39.

The square root of 9381828 is about 3062.9769832632. The cubic root of 9381828 is about 210.9093446426.

The spelling of 9381828 in words is "nine million, three hundred eighty-one thousand, eight hundred twenty-eight".